CH32F103R8T6-I — WCH
ARM Cortex-M3 MCU, 72MHz, 64KB flash, 20KB SRAM, LQFP64, industrial range -40..+85C

Category: MCU

Pricing
  LCSC         $0.96
  Mouser       $1.16
  DigiKey      $1.27
  Farnell      $1.39

Manufacturer: https://www.wch.cn